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1.发明授权Data format using an efficient reverse concatenated modulation code for magnetic tape recording 有权数据格式使用有效的反向级联调制码进行磁带记录公开(公告)号：US09190076B2
公开(公告)日：2015-11-17
申请号：US13483004
申请日：2012-05-29
CPC分类号： G11B5/00813 , G11B20/1833 , G11B2020/1836 , G11B2020/185 , G11B2020/1853 , G11B2220/90 , H03M5/145 , H03M13/1102 , H03M13/13 , H03M13/1515 , H03M13/2906
摘要： In one embodiment, a tape drive system includes a write channel for writing data to a magnetic tape, the write channel utilizing a rate-(232/234) reverse concatenated modulation code. The write channel includes logic adapted for receiving a data stream comprising one or more data sets, logic adapted for separating each data set into a plurality of sub data sets, logic adapted for encoding each sub data set with a C2 encoding, logic adapted for encoding each C2-encoded sub data set with a modulation code, logic adapted for encoding each modulated sub data set with a C1 encoding, and logic adapted for simultaneously writing the encoded modulated sub data sets to data tracks of the magnetic tape. Other systems for writing data to a magnetic tape utilizing a rate-(232/234) reverse concatenated modulation code are described according to various other embodiments.
摘要翻译： 在一个实施例中，磁带驱动器系统包括用于将数据写入磁带的写入通道，该写入通道利用速率（232/234）反向级联调制码。 写通道包括适于接收包括一个或多个数据组的数据流的逻辑，适用于将每个数据集分成多个子数据集的逻辑，适用于使用C2编码对每个子数据集进行编码的逻辑，适用于编码的逻辑 具有调制码的每个C2编码的子数据集，适用于用C1编码对每个经调制的子数据集进行编码的逻辑，以及用于将编码的已调制子数据集同时写入到磁带的数据轨道的逻辑。 根据各种其他实施例，描述使用速率（232/234）反向级联调制码将数据写入磁带的其它系统。
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2.发明申请PARTIAL REVERSE CONCATENATION FOR DATA STORAGE DEVICES USING COMPOSITE CODES 有权使用复合代码的数据存储设备的部分反向定义公开(公告)号：US20130326306A1
公开(公告)日：2013-12-05
申请号：US13483015
申请日：2012-05-29
CPC分类号： H03M13/2906 , G06F3/0619 , G06F3/064 , G06F3/0674 , G06F3/0677 , G06F3/0682 , G06F11/1076 , G11B20/1426 , G11B20/18 , G11B20/1833 , G11B2020/1836 , G11B2020/1853 , G11B2220/2516 , G11B2220/2537 , G11B2220/956 , H03M13/1102 , H03M13/1515 , H03M13/2909 , H03M13/6325 , H03M13/6343
摘要： In one embodiment, a data storage system includes a write channel for writing data to a storage medium, the write channel configured to utilize a partial reverse concatenated modulation code. The write channel includes logic adapted for encoding data sets using a C2 encoding scheme, logic adapted for adding a header to each subunit of the data sets, logic adapted for encoding the headers of the data sets with a first modulation encoding scheme, logic adapted for encoding data portions of the data sets with a second modulation encoding scheme, logic adapted for encoding portions of the one or more C2-encoded data sets using a C1 encoding scheme, logic adapted for combining the C1-encoded portions with the modulation-encoded headers of the C2-encoded data sets using a multiplexer, and logic adapted for writing the one or more combined C1- and C2-encoded data sets to data tracks.
摘要翻译： 在一个实施例中，数据存储系统包括用于将数据写入存储介质的写通道，该写通道被配置为利用部分反向级联调制码。 所述写通道包括适于使用C2编码方案对数据集进行编码的逻辑，适用于将数据组的每个子单元加上标题的逻辑，适用于利用第一调制编码方案对所述数据组的报头进行编码的逻辑， 使用第二调制编码方案对数据集的数据部分进行编码，适用于使用C1编码方案对一个或多个C2编码数据集的部分进行编码的逻辑，适用于将C1编码部分与调制编码报头 使用多路复用器的C2编码数据集，以及适于将一个或多个组合的C 1和C 2编码数据集写入数据磁道的逻辑。
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公开(公告)号：US08854759B2
公开(公告)日：2014-10-07
申请号：US13454935
申请日：2012-04-24
IPC分类号： G11B5/09
CPC分类号： G11B20/1833 , G11B5/00813 , G11B20/10379 , G11B2020/185 , H03M5/145 , H03M13/1111 , H03M13/13 , H03M13/2957 , H03M13/3905 , H03M13/3972 , H03M13/6325
摘要： In one embodiment, a tape drive system includes a soft detector for executing a first forward loop of a detection algorithm on a first block of signal samples during a first time interval; and logic for executing forward and reverse loops during several time intervals; and logic adapted for outputting a first decoded block of signal samples based on the executing the decoding algorithm on the first block during a sixth time interval, wherein a sum of second, third, fourth, fifth, and sixth time intervals are about equal in duration to the first time interval.
摘要翻译： 在一个实施例中，磁带驱动系统包括软检测器，用于在第一时间间隔期间在第一信号样本块上执行检测算法的第一正向循环; 以及用于在几个时间间隔期间执行正向和反向循环的逻辑; 以及适于在第六时间间隔期间基于在第一块上执行解码算法来输出信号样本的第一解码块的逻辑，其中第二，第三，第四，第五和第六时间间隔的和大约相等于持续时间 到第一次间隔。
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4.发明申请公开(公告)号：US20130279040A1
公开(公告)日：2013-10-24
申请号：US13454935
申请日：2012-04-24
CPC分类号： G11B20/1833 , G11B5/00813 , G11B20/10379 , G11B2020/185 , H03M5/145 , H03M13/1111 , H03M13/13 , H03M13/2957 , H03M13/3905 , H03M13/3972 , H03M13/6325
摘要： In one embodiment, a tape drive system includes a soft detector for executing a first forward loop of a detection algorithm on a first block of signal samples during a first time interval; and logic for executing forward and reverse loops during several time intervals; and logic adapted for outputting a first decoded block of signal samples based on the executing the decoding algorithm on the first block during a sixth time interval, wherein a sum of second, third, fourth, fifth, and sixth time intervals are about equal in duration to the first time interval.
摘要翻译： 在一个实施例中，磁带驱动系统包括软检测器，用于在第一时间间隔期间在第一信号样本块上执行检测算法的第一正向循环; 以及用于在几个时间间隔期间执行正向和反向循环的逻辑; 以及适于在第六时间间隔期间基于在第一块上执行解码算法来输出信号样本的第一解码块的逻辑，其中第二，第三，第四，第五和第六时间间隔的和大约相等于持续时间 到第一次间隔。
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5.发明申请METHODS FOR PARTIAL REVERSE CONCATENATION FOR DATA STORAGE DEVICES USING COMPOSITE CODES 有权使用复合代码进行数据存储设备部分反向定位的方法公开(公告)号：US20130326307A1
公开(公告)日：2013-12-05
申请号：US13483026
申请日：2012-05-29
CPC分类号： H03M13/2906 , G06F11/1076 , G11B20/1426 , G11B2020/1836 , G11B2020/1853 , G11B2220/956 , H03M13/09 , H03M13/1102 , H03M13/1515 , H03M13/253 , H03M13/29 , H03M13/2909 , H03M13/2945 , H03M13/2957
摘要： In one embodiment, a method includes writing data to a storage medium of a data storage system using a partial reverse concatenated modulation code by encoding data sets using a C2 encoding scheme, adding a header to each subunit of the data sets, encoding the headers of the data sets with a first modulation encoding scheme, encoding data portions of the data sets with a second modulation encoding scheme, encoding portions of the one or more C2-encoded data sets using a C1 encoding scheme, combining the C1-encoded portions with the modulation-encoded headers of the C2-encoded data sets using a multiplexer, and writing the one or more combined C1- and C2-encoded data sets to data tracks of the storage medium. Other methods for writing data to a storage medium of a data storage system using a partial reverse concatenated modulation code are presented according to more embodiments.
摘要翻译： 在一个实施例中，一种方法包括使用部分反向级联调制码将数据写入数据存储系统的存储介质，通过使用C2编码方案对数据集进行编码，将头部添加到数据集的每个子单元， 具有第一调制编码方案的数据集，用第二调制编码方案对数据集的数据部分进行编码，使用C1编码方案对所述一个或多个C2编码数据集的部分进行编码，将C1编码部分与 使用多路复用器对C2编码数据集的调制编码报头，以及将一个或多个组合的C1和C2编码的数据集写入存储介质的数据轨道。 根据更多实施例，呈现用于使用部分反向级联调制码将数据写入数据存储系统的存储介质的其它方法。
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6.发明授权Partial reverse concatenation for data storage devices using composite codes 有权使用复合代码的数据存储设备的部分反向级联公开(公告)号：US09558782B2
公开(公告)日：2017-01-31
申请号：US13483015
申请日：2012-05-29
CPC分类号： H03M13/2906 , G06F3/0619 , G06F3/064 , G06F3/0674 , G06F3/0677 , G06F3/0682 , G06F11/1076 , G11B20/1426 , G11B20/18 , G11B20/1833 , G11B2020/1836 , G11B2020/1853 , G11B2220/2516 , G11B2220/2537 , G11B2220/956 , H03M13/1102 , H03M13/1515 , H03M13/2909 , H03M13/6325 , H03M13/6343
摘要： In one embodiment, a data storage system includes a write channel for writing data to a storage medium, the write channel configured to utilize a partial reverse concatenated modulation code. The write channel includes logic adapted for encoding data sets using a C2 encoding scheme, logic adapted for adding a header to each subunit of the data sets, logic adapted for encoding the headers of the data sets with a first modulation encoding scheme, logic adapted for encoding data portions of the data sets with a second modulation encoding scheme, logic adapted for encoding portions of the one or more C2-encoded data sets using a C1 encoding scheme, logic adapted for combining the C1-encoded portions with the modulation-encoded headers of the C2-encoded data sets using a multiplexer, and logic adapted for writing the one or more combined C1 - and C2-encoded data sets to data tracks.
摘要翻译： 在一个实施例中，数据存储系统包括用于向存储介质写入数据的写通道，该写通道被配置为利用部分反向级联调制码。 所述写通道包括适于使用C2编码方案对数据集进行编码的逻辑，适用于将数据组的每个子单元加上标题的逻辑，适用于利用第一调制编码方案对所述数据组的报头进行编码的逻辑， 使用第二调制编码方案对数据集的数据部分进行编码，适用于使用C1编码方案对一个或多个C2编码数据集的部分进行编码的逻辑，适用于将C1编码部分与调制编码报头 使用多路复用器的C2编码数据集，以及适于将一个或多个组合的C1和C2编码数据集写入数据轨道的逻辑。
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7.发明授权Methods for partial reverse concatenation for data storage devices using composite codes 有权使用复合代码的数据存储设备的部分反向级联方法公开(公告)号：US09178534B2
公开(公告)日：2015-11-03
申请号：US13483026
申请日：2012-05-29
IPC分类号： H03M13/00 , H03M13/25 , H03M13/29 , G11B20/14 , H03M13/09 , H03M13/11 , H03M13/15 , G11B20/18
CPC分类号： H03M13/2906 , G06F11/1076 , G11B20/1426 , G11B2020/1836 , G11B2020/1853 , G11B2220/956 , H03M13/09 , H03M13/1102 , H03M13/1515 , H03M13/253 , H03M13/29 , H03M13/2909 , H03M13/2945 , H03M13/2957
摘要： In one embodiment, a method includes writing data to a storage medium of a data storage system using a partial reverse concatenated modulation code by encoding data sets using a C2 encoding scheme, adding a header to each subunit of the data sets, encoding the headers of the data sets with a first modulation encoding scheme, encoding data portions of the data sets with a second modulation encoding scheme, encoding portions of the one or more C2-encoded data sets using a C1 encoding scheme, combining the C1-encoded portions with the modulation-encoded headers of the C2-encoded data sets using a multiplexer, and writing the one or more combined C1- and C2-encoded data sets to data tracks of the storage medium. Other methods for writing data to a storage medium of a data storage system using a partial reverse concatenated modulation code are presented according to more embodiments.
摘要翻译： 在一个实施例中，一种方法包括使用部分反向级联调制码将数据写入数据存储系统的存储介质，通过使用C2编码方案对数据集进行编码，将头部添加到数据集的每个子单元， 具有第一调制编码方案的数据集，用第二调制编码方案对数据集的数据部分进行编码，使用C1编码方案对所述一个或多个C2编码数据集的部分进行编码，将C1编码部分与 使用多路复用器对C2编码数据集的调制编码报头，以及将一个或多个组合的C1和C2编码的数据集写入存储介质的数据轨道。 根据更多实施例，呈现用于使用部分反向级联调制码将数据写入数据存储系统的存储介质的其它方法。
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8.发明申请DATA FORMAT USING AN EFFICIENT REVERSE CONCATENATED MODULATION CODE FOR MAGNETIC TAPE RECORDING 有权使用有效的反向调整码进行磁带记录的数据格式公开(公告)号：US20130326305A1
公开(公告)日：2013-12-05
申请号：US13483004
申请日：2012-05-29
IPC分类号： H03M13/00
CPC分类号： G11B5/00813 , G11B20/1833 , G11B2020/1836 , G11B2020/185 , G11B2020/1853 , G11B2220/90 , H03M5/145 , H03M13/1102 , H03M13/13 , H03M13/1515 , H03M13/2906
摘要： In one embodiment, a tape drive system includes a write channel for writing data to a magnetic tape, the write channel utilizing a rate-(232/234) reverse concatenated modulation code. The write channel includes logic adapted for receiving a data stream comprising one or more data sets, logic adapted for separating each data set into a plurality of sub data sets, logic adapted for encoding each sub data set with a C2 encoding, logic adapted for encoding each C2-encoded sub data set with a modulation code, logic adapted for encoding each modulated sub data set with a C1 encoding, and logic adapted for simultaneously writing the encoded modulated sub data sets to data tracks of the magnetic tape. Other systems for writing data to a magnetic tape utilizing a rate-(232/234) reverse concatenated modulation code are described according to various other embodiments.
摘要翻译： 在一个实施例中，磁带驱动器系统包括用于将数据写入磁带的写入通道，该写入通道利用速率（232/234）反向级联调制码。 写通道包括适于接收包括一个或多个数据组的数据流的逻辑，适用于将每个数据集分成多个子数据集的逻辑，适用于使用C2编码对每个子数据集进行编码的逻辑，适用于编码的逻辑 具有调制码的每个C2编码的子数据集，适用于用C1编码对每个经调制的子数据集进行编码的逻辑，以及用于将编码的已调制子数据集同时写入到磁带的数据轨道的逻辑。 根据各种其他实施例，描述使用速率（232/234）反向级联调制码将数据写入磁带的其它系统。
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公开(公告)号：US08139302B2
公开(公告)日：2012-03-20
申请号：US12815234
申请日：2010-06-14
IPC分类号： G11B5/09
CPC分类号： G11B20/1407 , G11B5/584 , G11B20/1492 , G11B2020/1284 , G11B2020/1484 , G11B2220/90
摘要： A system and method are disclosed for detecting a periodic sequence. A value detector module detects a plurality of values of a periodic sequence. In one embodiment, a transformation module transforms the plurality of values into transformed values. A confinement module confines the values to a limited set of confined values. A correlation module correlates the confined values with a plurality of instances of the periodic sequence. In addition, a selection module selects an instance of the periodic sequence with the highest correlation to the confined values as an observed periodic sequence.
摘要翻译： 公开了用于检测周期性序列的系统和方法。 值检测器模块检测周期性序列的多个值。 在一个实施例中，变换模块将多个值转换为变换值。 限制模块将值限制为有限的一组限制值。 相关模块将约束值与周期性序列的多个实例相关联。 此外，选择模块选择具有与限定值的最高相关性的周期性序列的实例作为观察到的周期性序列。
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公开(公告)号：US20100302666A1
公开(公告)日：2010-12-02
申请号：US12815234
申请日：2010-06-14
IPC分类号： G11B27/36
CPC分类号： G11B20/1407 , G11B5/584 , G11B20/1492 , G11B2020/1284 , G11B2020/1484 , G11B2220/90
摘要： A system and method are disclosed for detecting a periodic sequence. A value detector module detects a plurality of values of a periodic sequence. In one embodiment, a transformation module transforms the plurality of values into transformed values. A confinement module confines the values to a limited set of confined values. A correlation module correlates the confined values with a plurality of instances of the periodic sequence. In addition, a selection module selects an instance of the periodic sequence with the highest correlation to the confined values as an observed periodic sequence.
摘要翻译： 公开了用于检测周期性序列的系统和方法。 值检测器模块检测周期性序列的多个值。 在一个实施例中，变换模块将多个值转换为变换值。 限制模块将值限制为有限的一组限制值。 相关模块将约束值与周期性序列的多个实例相关联。 此外，选择模块选择具有与限定值的最高相关性的周期性序列的实例作为观察到的周期性序列。
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